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- He is a clam about his business dealing. 他对自己的生意买卖守口如瓶。
- Atlantic jackknife clamn. 直剑蛏
- blunt jackknife clamn. 钝竹蛏
- green jackknife clamn. 菜绿竹蛏
- jackknife clamn. 剑蛏属
- rosy jackknife clamn. 玫瑰竹蛏
- The movie star is a clam about her age. 这影星对她的年龄守口如瓶。
- Will you clam up! The boss is talking. 请你保持安静!老板在说话。
- He always clam up when we ask him about his family. 我们一问到他的家庭时，他总是闭口不言。
- jackknife clam meat 马刀肉
- jackknife clam shell 马刀
- The suspect clam up when lawyer ask about his girlfriend. 当律师问嫌疑犯有关他女友的事时，他闭口不答。
- Everybody shut up like a clam as soon as you mention it. 你一提及此事，大家便都闭口不言
- To cut or stab with a jackknife. 用折刀切或刺
- Kinman whipped out his jackknife. 金曼啪地一下抽出折刀。
- The wife sees him once, jackknife and he is kissed. 妻子有一次去看他，弯身和他亲吻。
- Chicken vegetable or clam chowder. 鸡汤，蛤肉浓汤。
- The paper suggests using Jackknife Method. 本文提出使用刀切法。
- A good jackknife is often of service to a camper. 一把折刀对于露营人很有用。
- They are afraid he's going to clam up on them. 他们担心他将对他们守口如瓶。
